CN1748247A - 音频编码 - Google Patents
音频编码 Download PDFInfo
- Publication number
- CN1748247A CN1748247A CNA2004800039491A CN200480003949A CN1748247A CN 1748247 A CN1748247 A CN 1748247A CN A2004800039491 A CNA2004800039491 A CN A2004800039491A CN 200480003949 A CN200480003949 A CN 200480003949A CN 1748247 A CN1748247 A CN 1748247A
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- CN
- China
- Prior art keywords
- signal
- parameter
- input
- audio
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Cereal-Derived Products (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03100278.5 | 2003-02-11 | ||
| EP03100278 | 2003-02-11 | ||
| PCT/IB2004/050085 WO2004072956A1 (en) | 2003-02-11 | 2004-02-09 | Audio coding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1748247A true CN1748247A (zh) | 2006-03-15 |
| CN1748247B CN1748247B (zh) | 2011-06-15 |
Family
ID=32865026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004800039491A Expired - Lifetime CN1748247B (zh) | 2003-02-11 | 2004-02-09 | 音频编码 |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US7181019B2 (zh) |
| EP (1) | EP1595247B1 (zh) |
| JP (1) | JP4431568B2 (zh) |
| KR (1) | KR101049751B1 (zh) |
| CN (1) | CN1748247B (zh) |
| AT (1) | ATE339759T1 (zh) |
| DE (1) | DE602004002390T2 (zh) |
| ES (1) | ES2273216T3 (zh) |
| WO (1) | WO2004072956A1 (zh) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101149925B (zh) * | 2007-11-06 | 2011-02-16 | 武汉大学 | 一种用于参数立体声编码的空间参数选取方法 |
| CN101521013B (zh) * | 2009-04-08 | 2011-08-17 | 武汉大学 | 空间音频参数双向帧间预测编解码装置 |
| WO2011097915A1 (zh) * | 2010-02-12 | 2011-08-18 | 华为技术有限公司 | 立体声编码的方法、装置 |
| CN102598717A (zh) * | 2009-09-10 | 2012-07-18 | 杜比国际公司 | 使用参数化立体声的fm立体声无线电接收机的音频信号的改进 |
| CN101809655B (zh) * | 2007-09-25 | 2012-07-25 | 摩托罗拉移动公司 | 用于编码多信道音频信号的设备和方法 |
| CN101517637B (zh) * | 2006-09-18 | 2012-08-15 | 皇家飞利浦电子股份有限公司 | 音频编解码器 、编解码方法、 集线器、 发送接收器、 发送接收方法、通信系统、 播放设备 |
| WO2017193550A1 (zh) * | 2016-05-10 | 2017-11-16 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| WO2017193549A1 (zh) * | 2016-05-10 | 2017-11-16 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| CN108885876A (zh) * | 2016-03-10 | 2018-11-23 | 奥兰治 | 用于对多声道音频信号的参数编码和解码的空间化信息进行的优化编码和解码 |
| CN108989721A (zh) * | 2010-03-23 | 2018-12-11 | 杜比实验室特许公司 | 用于局域化感知音频的技术 |
| CN110100280A (zh) * | 2017-01-19 | 2019-08-06 | 高通股份有限公司 | 信道间相位差参数的修改 |
| US11350231B2 (en) | 2010-03-23 | 2022-05-31 | Dolby Laboratories Licensing Corporation | Methods, apparatus and systems for audio reproduction |
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| EP1523863A1 (en) * | 2002-07-16 | 2005-04-20 | Koninklijke Philips Electronics N.V. | Audio coding |
| FR2852779B1 (fr) * | 2003-03-20 | 2008-08-01 | Procede pour traiter un signal electrique de son | |
| KR101217649B1 (ko) * | 2003-10-30 | 2013-01-02 | 돌비 인터네셔널 에이비 | 오디오 신호 인코딩 또는 디코딩 |
| US7805313B2 (en) * | 2004-03-04 | 2010-09-28 | Agere Systems Inc. | Frequency-based coding of channels in parametric multi-channel coding systems |
| EP3561810B1 (en) * | 2004-04-05 | 2023-03-29 | Koninklijke Philips N.V. | Method of encoding left and right audio input signals, corresponding encoder, decoder and computer program product |
| US8843378B2 (en) * | 2004-06-30 | 2014-09-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Multi-channel synthesizer and method for generating a multi-channel output signal |
| US7391870B2 (en) * | 2004-07-09 | 2008-06-24 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V | Apparatus and method for generating a multi-channel output signal |
| EP1769491B1 (en) * | 2004-07-14 | 2009-09-30 | Koninklijke Philips Electronics N.V. | Audio channel conversion |
| DE102004042819A1 (de) * | 2004-09-03 | 2006-03-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines codierten Multikanalsignals und Vorrichtung und Verfahren zum Decodieren eines codierten Multikanalsignals |
| JP4892184B2 (ja) | 2004-10-14 | 2012-03-07 | パナソニック株式会社 | 音響信号符号化装置及び音響信号復号装置 |
| US8204261B2 (en) * | 2004-10-20 | 2012-06-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Diffuse sound shaping for BCC schemes and the like |
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| SE0402650D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Improved parametric stereo compatible coding of spatial audio |
| JP5017121B2 (ja) | 2004-11-30 | 2012-09-05 | アギア システムズ インコーポレーテッド | 外部的に供給されるダウンミックスとの空間オーディオのパラメトリック・コーディングの同期化 |
| US7787631B2 (en) * | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
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| KR100682904B1 (ko) * | 2004-12-01 | 2007-02-15 | 삼성전자주식회사 | 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법 |
| BRPI0516376A (pt) * | 2004-12-27 | 2008-09-02 | Matsushita Electric Industrial Co Ltd | dispositivo de codificação de som e método de codificação de som |
| CN101091206B (zh) * | 2004-12-28 | 2011-06-01 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
| US7903824B2 (en) * | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
| CN101147191B (zh) * | 2005-03-25 | 2011-07-13 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
| JP4521032B2 (ja) | 2005-04-19 | 2010-08-11 | ドルビー インターナショナル アクチボラゲット | 空間音声パラメータの効率的符号化のためのエネルギー対応量子化 |
| WO2006126858A2 (en) | 2005-05-26 | 2006-11-30 | Lg Electronics Inc. | Method of encoding and decoding an audio signal |
| US8494667B2 (en) | 2005-06-30 | 2013-07-23 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
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| JP2009500669A (ja) * | 2005-07-06 | 2009-01-08 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | パラメトリック・マルチチャンネル復号化 |
| US8050915B2 (en) | 2005-07-11 | 2011-11-01 | Lg Electronics Inc. | Apparatus and method of encoding and decoding audio signals using hierarchical block switching and linear prediction coding |
| MX2008002760A (es) | 2005-08-30 | 2008-04-07 | Lg Electronics Inc | Metodo para decodificar una senal de audio. |
| EP1938662B1 (en) | 2005-08-30 | 2016-09-28 | LG Electronics Inc. | Method, apparatus, computer-readable medium for decoding an audio signal |
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| JP4859925B2 (ja) | 2005-08-30 | 2012-01-25 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号デコーディング方法及びその装置 |
| CN101253557B (zh) | 2005-08-31 | 2012-06-20 | 松下电器产业株式会社 | 立体声编码装置及立体声编码方法 |
| KR101512995B1 (ko) * | 2005-09-13 | 2015-04-17 | 코닌클리케 필립스 엔.브이. | 공간 디코더 유닛, 공간 디코더 장치, 오디오 시스템, 한 쌍의 바이노럴 출력 채널들을 생성하는 방법 |
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| PL338988A1 (en) * | 1997-09-05 | 2000-12-04 | Lexicon | Matrix-type 5-2-5 encoder and decoder system |
| US6539357B1 (en) * | 1999-04-29 | 2003-03-25 | Agere Systems Inc. | Technique for parametric coding of a signal containing information |
| US6973184B1 (en) * | 2000-07-11 | 2005-12-06 | Cisco Technology, Inc. | System and method for stereo conferencing over low-bandwidth links |
| US7006636B2 (en) * | 2002-05-24 | 2006-02-28 | Agere Systems Inc. | Coherence-based audio coding and synthesis |
| SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
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- 2004-02-09 DE DE602004002390T patent/DE602004002390T2/de not_active Expired - Lifetime
- 2004-02-09 AT AT04709311T patent/ATE339759T1/de not_active IP Right Cessation
- 2004-02-09 US US10/545,096 patent/US7181019B2/en not_active Expired - Lifetime
- 2004-02-09 EP EP04709311A patent/EP1595247B1/en not_active Expired - Lifetime
- 2004-02-09 ES ES04709311T patent/ES2273216T3/es not_active Expired - Lifetime
- 2004-02-09 KR KR1020057014729A patent/KR101049751B1/ko not_active Expired - Lifetime
- 2004-02-09 JP JP2006502569A patent/JP4431568B2/ja not_active Expired - Lifetime
- 2004-02-09 WO PCT/IB2004/050085 patent/WO2004072956A1/en not_active Ceased
- 2004-02-09 CN CN2004800039491A patent/CN1748247B/zh not_active Expired - Lifetime
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2007
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101517637B (zh) * | 2006-09-18 | 2012-08-15 | 皇家飞利浦电子股份有限公司 | 音频编解码器 、编解码方法、 集线器、 发送接收器、 发送接收方法、通信系统、 播放设备 |
| CN101809655B (zh) * | 2007-09-25 | 2012-07-25 | 摩托罗拉移动公司 | 用于编码多信道音频信号的设备和方法 |
| CN101149925B (zh) * | 2007-11-06 | 2011-02-16 | 武汉大学 | 一种用于参数立体声编码的空间参数选取方法 |
| CN101521013B (zh) * | 2009-04-08 | 2011-08-17 | 武汉大学 | 空间音频参数双向帧间预测编解码装置 |
| US8929558B2 (en) | 2009-09-10 | 2015-01-06 | Dolby International Ab | Audio signal of an FM stereo radio receiver by using parametric stereo |
| CN102598717A (zh) * | 2009-09-10 | 2012-07-18 | 杜比国际公司 | 使用参数化立体声的fm立体声无线电接收机的音频信号的改进 |
| US9877132B2 (en) | 2009-09-10 | 2018-01-23 | Dolby International Ab | Audio signal of an FM stereo radio receiver by using parametric stereo |
| US9105265B2 (en) | 2010-02-12 | 2015-08-11 | Huawei Technologies Co., Ltd. | Stereo coding method and apparatus |
| WO2011097915A1 (zh) * | 2010-02-12 | 2011-08-18 | 华为技术有限公司 | 立体声编码的方法、装置 |
| CN108989721A (zh) * | 2010-03-23 | 2018-12-11 | 杜比实验室特许公司 | 用于局域化感知音频的技术 |
| US12273695B2 (en) | 2010-03-23 | 2025-04-08 | Dolby Laboratories Licensing Corporation | Methods, apparatus and systems for audio reproduction |
| US11350231B2 (en) | 2010-03-23 | 2022-05-31 | Dolby Laboratories Licensing Corporation | Methods, apparatus and systems for audio reproduction |
| CN108885876B (zh) * | 2016-03-10 | 2023-03-28 | 奥兰治 | 用于对多声道音频信号的参数编码和解码的空间化信息进行的优化编码和解码 |
| CN108885876A (zh) * | 2016-03-10 | 2018-11-23 | 奥兰治 | 用于对多声道音频信号的参数编码和解码的空间化信息进行的优化编码和解码 |
| CN107358960A (zh) * | 2016-05-10 | 2017-11-17 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| CN107358960B (zh) * | 2016-05-10 | 2021-10-26 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| CN107358961A (zh) * | 2016-05-10 | 2017-11-17 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| WO2017193549A1 (zh) * | 2016-05-10 | 2017-11-16 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| WO2017193550A1 (zh) * | 2016-05-10 | 2017-11-16 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| CN110100280A (zh) * | 2017-01-19 | 2019-08-06 | 高通股份有限公司 | 信道间相位差参数的修改 |
| CN110100280B (zh) * | 2017-01-19 | 2023-02-24 | 高通股份有限公司 | 信道间相位差参数的修改 |
| CN116033328A (zh) * | 2017-01-19 | 2023-04-28 | 高通股份有限公司 | 信道间相位差参数的修改 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20060147048A1 (en) | 2006-07-06 |
| ES2273216T3 (es) | 2007-05-01 |
| JP2006518482A (ja) | 2006-08-10 |
| CN1748247B (zh) | 2011-06-15 |
| KR20050095896A (ko) | 2005-10-04 |
| DE602004002390T2 (de) | 2007-09-06 |
| EP1595247A1 (en) | 2005-11-16 |
| DE602004002390D1 (de) | 2006-10-26 |
| KR101049751B1 (ko) | 2011-07-19 |
| WO2004072956A1 (en) | 2004-08-26 |
| EP1595247B1 (en) | 2006-09-13 |
| US7181019B2 (en) | 2007-02-20 |
| JP4431568B2 (ja) | 2010-03-17 |
| US8831759B2 (en) | 2014-09-09 |
| ATE339759T1 (de) | 2006-10-15 |
| US20070127729A1 (en) | 2007-06-07 |
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